She had been holding in her stomach for the entire time they were together. As this is rather difficult to maintain, she moved her partners hand up from her stomach and to her chest, so that she could relax her stomach without him noticing.

The rants I don't get myself, people are essentially wasting time in their day just to complain about how something on the internet makes them unhappy (which admittedly I've done my fair share of) but criticisms I can understand because at least they're trying to help the artist or letting her know what she could do better.

I guess people need to vent their anger somewhere, even if it is a comment section on the net.